Wilson's family announced the news of his death two weeks ago. Beach Boys legend Brian Wilson's cause of death has been revealed. The influential co-founder of the Beach Boys died at 82 of "respiratory arrest,

Music legend Brian Wilson died of “respiratory arrest,” according to a report by TMZ. The report says TMZ has obtained Wilson’s death certificate, which also lists sepsis and cystitis (or inflammation) as factors in his demise. Wilson, co-founder of the Beach Boys and the mastermind behind the rock band’s signature sound, died on June 11 at age 82.